alcohol lamp

简明释义

酒精灯

英英释义

例句

1.In the chemistry lab, the alcohol lamp is a common tool for heating substances.

在化学实验室中，酒精灯是加热物质的常用工具。

2.The scientist used an alcohol lamp to heat the test tubes during the experiment.

科学家在实验中使用了酒精灯来加热试管。

3.Make sure to keep the alcohol lamp away from flammable materials.

确保将酒精灯远离易燃材料。

4.The alcohol lamp is preferred in some labs because it produces a clean flame.

在一些实验室中，酒精灯因其产生干净火焰而受到青睐。

5.I lit the alcohol lamp to provide light while working on my project.

我点燃了酒精灯，以便在做项目时提供光线。

作文

The use of an alcohol lamp in scientific experiments has been a common practice for many years. An alcohol lamp, which is a simple device that burns alcohol to produce a flame, is often used for heating substances, sterilizing equipment, or conducting various chemical reactions. Its design typically consists of a small container filled with alcohol, a wick, and a cover that can control the flame's intensity. This makes it a versatile tool in both educational and professional laboratories.One of the primary advantages of using an alcohol lamp is its ability to provide a steady and controllable heat source. Unlike gas burners, which can be more difficult to regulate, an alcohol lamp allows for precise adjustments to the flame size. This is particularly important in experiments where temperature control is crucial, such as in boiling liquids or conducting reactions that require specific heat levels.Furthermore, the alcohol lamp is relatively safe compared to other heating methods. The alcohol used is typically ethanol or methanol, which have lower ignition temperatures than some other fuels, but when handled properly, they pose minimal risks. The enclosed design of the lamp reduces the chance of accidental spills and minimizes exposure to open flames, making it a preferred choice in educational settings where students are learning about chemistry.In addition to its safety features, the alcohol lamp is also easy to use. Filling the lamp with alcohol is straightforward, and lighting it requires just a match or lighter. Once lit, the flame can be adjusted by raising or lowering the wick, allowing users to tailor the heat output to their specific needs. This simplicity makes it an excellent tool for beginners who are just starting to explore the world of science.Moreover, the alcohol lamp is cost-effective. Compared to electric heaters or gas burners, which can be expensive to purchase and maintain, an alcohol lamp is affordable and requires little in terms of additional equipment. This makes it accessible for schools and small laboratories that may have limited budgets.Despite its many benefits, it is essential to note that the use of an alcohol lamp does come with certain limitations. For instance, the flame produced is not as hot as that from a Bunsen burner, which may limit its effectiveness for some high-temperature applications. Additionally, care must be taken to ensure that the alcohol is stored safely and away from any potential sources of ignition when not in use.In conclusion, the alcohol lamp remains an invaluable tool in the realms of education and research. Its ease of use, safety features, and affordability make it a staple in many laboratories around the world. As students and professionals continue to conduct experiments and explore scientific principles, the alcohol lamp will undoubtedly play a significant role in facilitating their work. Understanding how to utilize this tool effectively will empower the next generation of scientists to innovate and discover new knowledge in their respective fields.

在科学实验中使用酒精灯已经是一种常见的做法。酒精灯是一种简单的设备，通过燃烧酒精来产生火焰，通常用于加热物质、消毒设备或进行各种化学反应。它的设计通常由一个装满酒精的小容器、一个灯芯和一个可以控制火焰强度的盖子组成。这使得它在教育和专业实验室中成为一种多功能工具。使用酒精灯的主要优点之一是它能够提供稳定且可控的热源。与气体燃烧器相比，气体燃烧器可能更难以调节，酒精灯允许对火焰大小进行精确调整。这在需要温度控制的实验中特别重要，例如在煮沸液体或进行需要特定热量水平的反应时。此外，酒精灯相对于其他加热方法来说相对安全。所用的酒精通常是乙醇或甲醇，具有较低的点火温度，但如果处理得当，它们带来的风险最小。灯具的封闭设计减少了意外泄漏的机会，并最大限度地降低了接触明火的风险，使其成为教育环境中学生学习化学时的首选。除了安全特性，酒精灯的使用也非常简单。给灯加酒精很简单，点燃只需一根火柴或打火机。一旦点燃，可以通过升高或降低灯芯来调整火焰，从而使用户能够根据具体需求量身定制热量输出。这种简便性使其成为初学者探索科学世界的优秀工具。此外，酒精灯也是一种经济有效的工具。与电加热器或气体燃烧器相比，这些设备的购买和维护成本可能较高，而酒精灯则价格实惠，并且在额外设备方面要求不高。这使得它对预算有限的学校和小型实验室来说更为可及。尽管有许多优点，但需要注意的是，使用酒精灯确实存在某些限制。例如，产生的火焰温度不如本生灯高，这可能限制其在一些高温应用中的有效性。此外，当不使用时，必须小心确保酒精安全存放，并远离任何潜在的点火源。总之，酒精灯在教育和研究领域仍然是不可或缺的工具。它的易用性、安全特性和经济性使其成为全球许多实验室的主流。随着学生和专业人士继续进行实验并探索科学原理，酒精灯无疑将在促进他们的工作中发挥重要作用。有效理解和掌握这一工具的使用，将使下一代科学家能够在各自领域进行创新和发现新知识。